The Sun

Question 1

Which elements are the main components of the Sun?

Revolt · Accepted Answer

hydrogen and helium

Question 2

Dr. Tate and Dr. Ramirez are observing the effects of a type of solar activity that has reached the planet Jupiter. What solar activity are they observing?

Revolt · Accepted Answer

solar winds

Question 3

The distance between planets varies as they move in their orbits. The minimum distance from the Earth to Mars is about 0.35 AU. About how many kilometers is that?

Revolt · Accepted Answer

55,000,000 km

Question 4

Scientists around the world have been working for decades on perfecting the process of nuclear fusion in the lab. Which statement justifies this research?

Revolt · Accepted Answer

Scientists are looking for a way to create cheap, safe, and sustainable energy.

Question 5

What are the dark areas on the surface of the Sun?

Revolt · Accepted Answer

sunspots

Question 6

Raj is trying to make a diagram to show what he has learned about nuclear fusion.Is his diagram correct, and if not, how could he fix it?

Revolt · Accepted Answer

No, he should place the He atom and energy on the right, and the H atoms and heat and pressure on the left.

Question 7

Taden has found a table of the atmospheric layers of the Sun. However, he can’t make out the names of the layers in the chart.What are the names of the Sun’s layers described in columns A, B, and C?

Revolt · Accepted Answer

A: Photosphere; B: Chromosphere; C: Corona

Question 8

What is an astronomical unit?

Revolt · Accepted Answer

the average distance between the Earth and the Sun

The Sun Answers

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